Home / 189,635,823.11-284,453,844.56-53,321,206.61

Finding the Fourth Proportional to 189,635,823.11, 284,453,844.56 and 53,321,206.61

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Solution

The fourth proportional to 189,635,823.11, 284,453,844.56 and 53,321,206.61 is: 79,981,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,635,823.11 : 284,453,844.56 = 53,321,206.61 : x
  2. Step 2: Convert to fraction form
    189,635,823.11/284,453,844.56 = 53,321,206.61/x
  3. Step 3: Cross multiply
    189,635,823.11x = 284,453,844.56 × 53,321,206.61
  4. Step 4: Simplify right side
    189,635,823.11x = 15,167,422,216,792,584
  5. Step 5: Solve for x
    x = 15,167,422,216,792,584/189,635,823.11
  6. Step 6: Final answer
    x = 79,981,840.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.